Re: Speed up COPY FROM text/CSV parsing using SIMD

Nazir Bilal Yavuz <byavuz81@gmail.com>

From: Nazir Bilal Yavuz <byavuz81@gmail.com>

To: Andrew Dunstan <andrew@dunslane.net>

Cc: KAZAR Ayoub <ma_kazar@esi.dz>, Shinya Kato <shinya11.kato@gmail.com>, pgsql-hackers@postgresql.org

Date: 2025-10-18T20:01:29Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Optimize COPY FROM (FORMAT {text,csv}) using SIMD.
- e0a3a3fd5361 19 (unreleased) landed
Speedup COPY FROM with additional function inlining.
- dc592a41557b 19 (unreleased) landed
doc: Fix incorrect wording for --file in pg_dump
- 07961ef86625 19 (unreleased) cited

Hi,

On Thu, 16 Oct 2025 at 17:29, Nazir Bilal Yavuz <byavuz81@gmail.com> wrote:
>
> Overall logic is that we will not run SIMD for the entire line and we
> decide if it is worth it to run SIMD for the next lines.

I had a typo there, correct sentence is that:

"Overall logic is that we *will* run SIMD for the entire line and we
decide if it is worth it to run SIMD for the next lines."

-- 
Regards,
Nazir Bilal Yavuz
Microsoft